sPlaylistMaker is described as 'allows you to easily create .m3u and .m3u8 playlists via drag-and-drop. sPlaylistMaker supports Unicode characters and offers several playlist writing options:'. There are three alternatives to sPlaylistMaker for Mac, Windows, Linux, Online / Web-based and Android. The best alternative is ListFix(), which is both free and Open Source. Other great apps like sPlaylistMaker are Rekl.be (Freemium) and My Playlist Maker (Freemium).
An M3U editor that can fix a broken playlist by searching a media library for moved, dead links and renamed files. Supports absolute & relative references, UTF-8, UNC paths, and URLs. Also removes duplicates, sorts and randomizes lists, and much more!